The sentence explaining the deprecation schedule is ambiguous. Make it
clear that a feature deprecated in the Nth release is guaranteed to
remain available in the N+1th release. Removal can occur in the N+2nd
release or later.
As an example of this in action, see commit
25956af3fe ("block: Finish deprecation of
'qemu-img convert -n -o'"). The feature was deprecated in QEMU 4.2.0. It
was present in the 5.0.0 release and removed in the 5.1.0 release.
Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20200915150734.711426-1-stefanha@redhat.com>
Hyper-V TLFS prior to version 6.0 had a mistake in it: special value
'0xffffffff' for CPUID 0x40000004.EBX was called 'never to retry', this
looked weird (like why it's not '0' which supposedly have the same effect?)
but nobody raised the question. In TLFS version 6.0 the mistake was
corrected to 'never notify' which sounds logical. Fix QEMU accordingly.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20200515114847.74523-1-vkuznets@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Some machines don't have much differences a part from the flash model
being used. Introduce new machine properties to change them from the
command line.
For instance, to start the ast2500-evb machine with a different FMC
chip and a 64M SPI chip, use :
-M ast2500-evb,fmc-model=mx25l25635e,spi-model=mx66u51235f
Cc: 郁雷 <yulei.sh@bytedance.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Tested-by: Lei YU <yulei.sh@bytedance.com>
Message-Id: <20200915054859.2338477-1-clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
I found that there are many spelling errors in the comments of qemu,
so I used the spellcheck tool to check the spelling errors
and finally found some spelling errors in the docs folder.
Signed-off-by: zhaolichang <zhaolichang@huawei.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200917075029.313-4-zhaolichang@huawei.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
According to
<https://docutils.sourceforge.io/docs/ref/rst/directives.html#parsed-literal>,
"inline markup is recognized and there is no protection from parsing.
Backslash-escapes may be necessary to prevent unintended parsing".
The qemu(1) manual page (formatted with Sphinx 2.2.2) has several overlong
lines on my system. A stand-alone backslash at EOL serves as line
continuation in a "parsed-literal" block. Therefore, escape the
backslashes that we want to appear as such in the formatted documentation.
Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200908172111.19072-1-lersek@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Deprecate our lm32 target support. Michael Walle (former lm32 maintainer)
suggested that we do this in 2019:
https://www.mail-archive.com/qemu-devel@nongnu.org/msg605024.html
because the only public user of the architecture is the many-years-dead
milkymist project. (The Linux port to lm32 was never merged upstream.)
In commit 4b4d96c776 (March 2020) we marked it as 'orphan' in
the MAINTAINERS file, but didn't officially deprecate it. Mark it
deprecated now, with the intention of removing it from QEMU in
mid-2021 before the 6.1 release.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Michael Walle <michael@walle.cc>
Message-id: 20200827113259.25064-1-peter.maydell@linaro.org
Deprecate our Unicore32 target support:
* the Linux kernel dropped support for unicore32 in commit
05119217a9bd199c for its 5.9 release (with rationale in the
cover letter: https://lkml.org/lkml/2020/8/3/232 )
* there is apparently no upstream toolchain that can create unicore32
binaries
* the maintainer doesn't seem to have made any contributions to
QEMU since the port first landed in 2012
* nobody else seems to have made changes to the unicore code except
for generic cleanups either
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20200825172719.19422-1-peter.maydell@linaro.org
Make the list of MPS2 boards consistent in the phrasing of each
entry, use the correct casing of "Arm", and move the mps2-an511
entry so the list is in numeric order.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200903202048.15370-4-peter.maydell@linaro.org
Implement a model of the MPS2 with the AN500 firmware. This is
similar to the AN385, with the following differences:
* Cortex-M7 CPU
* PSRAM is at 0x6000_0000
* Ethernet is at 0xa000_0000
* No zbt_boot_ctrl remapping of the low 16K
(but QEMU doesn't implement this anyway)
* no "block RAM" at 0x01000000
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200903202048.15370-3-peter.maydell@linaro.org
Implement a model of the MPS2 with the AN386 firmware. This is
essentially identical to the AN385 firmware, but it has a
Cortex-M4 rather than a Cortex-M3.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200903202048.15370-2-peter.maydell@linaro.org
We deprecated the support for KVM on 32-bit Arm hosts in time
for release 5.0, which means that our deprecation policy allows
us to drop it in release 5.2. Remove the code.
To repeat the rationale from the deprecation note: the Linux
kernel dropped support for 32-bit Arm KVM hosts in 5.7.
Running 32-bit guests on a 64-bit Arm host remains supported.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200904154156.31943-2-peter.maydell@linaro.org
We have an exploding complexity problem in the testing so lets just
move the more involved plugins into contrib. tests/plugins still exist
for the basic plugins that exercise the API. We restore the old
pre-meson style Makefile for contrib as it also doubles as a guide for
out-of-tree plugin builds.
While we are at it add some examples to the documentation and a
specific plugins build target.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200909112742.25730-11-alex.bennee@linaro.org>
It's buggy and we are not sure anyone uses it.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20200909112742.25730-6-alex.bennee@linaro.org>
Most of the Makefile bits are obsolete and can be removed.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Section markup in definition documentation makes no sense and can
produce invalid Texinfo. Reject.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200320091805.5585-2-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Commit 480324ec8d "docs/qdev-device-use: Clean up the sentences
related to -usbdevice" deleted the information on syntax that no
longer works. Unfortunately, the resulting text suggests you can
configure USB block devices with -drive, and USB network devices with
-net, which is misleading.
Instead of rephrasing the now misleading text, I'm putting the
information back, and just make clear it's about old versions of QEMU.
Cc: Thomas Huth <thuth@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200806081147.3123652-4-armbru@redhat.com>
Commit 4d8bb958fa0..231aaf3a821 integrated the contents of
docs/qmp-events.txt into QAPI schema doc comments. It left dangling
references to qmp-events.txt behind. Fix to point to the QEMU QMP
reference manual generated from the QAPI schema.
Add a similar reference for commands.
Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200806081147.3123652-2-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Currently QAPI generates a type and function for free'ing it:
typedef struct QCryptoBlockCreateOptions QCryptoBlockCreateOptions;
void qapi_free_QCryptoBlockCreateOptions(QCryptoBlockCreateOptions *obj);
This is used in the traditional manner:
QCryptoBlockCreateOptions *opts = NULL;
opts = g_new0(QCryptoBlockCreateOptions, 1);
....do stuff with opts...
qapi_free_QCryptoBlockCreateOptions(opts);
Since bumping the min glib to 2.48, QEMU has incrementally adopted the
use of g_auto/g_autoptr. This allows the compiler to run a function to
free a variable when it goes out of scope, the benefit being the
compiler can guarantee it is freed in all possible code ptahs.
This benefit is applicable to QAPI types too, and given the seriously
long method names for some qapi_free_XXXX() functions, is much less
typing. This change thus makes the code generator emit:
G_DEFINE_AUTOPTR_CLEANUP_FUNC(QCryptoBlockCreateOptions,
qapi_free_QCryptoBlockCreateOptions)
The above code example now becomes
g_autoptr(QCryptoBlockCreateOptions) opts = NULL;
opts = g_new0(QCryptoBlockCreateOptions, 1);
....do stuff with opts...
Note, if the local pointer needs to live beyond the scope holding the
variable, then g_steal_pointer can be used. This is useful to return the
pointer to the caller in the success codepath, while letting it be freed
in all error codepaths.
return g_steal_pointer(&opts);
The crypto/block.h header needs updating to avoid symbol clash now that
the g_autoptr support is a standard QAPI feature.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20200723153845.2934357-1-berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
We do not need to ask cmake for the dependencies, so just use the
pkg-config mechanism. Keep "auto" for SDL so that it tries using
sdl-config too.
The documentation is adjusted to use SDL2_image as the example,
rather than SDL which does not use the "pkg-config" method.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When cross-compiling, by default qemu_docdir is 'c:\Program Files\QEMU\'
which is not recognized as being an absolute path, and meson will end up
adding the prefix again.
Add an option to pass docdir location to meson, pre-prefixed like we do
with other directories, build qemu_docdir with the common suffix and use
that instead of config_host['qemu_docdir'].
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200826110419.528931-7-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200827173051.31050-1-sw@weilnetz.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
The examples look nicer when using "::" code blocks.
Also mention that "-d in_asm" only outputs instructions that have not
been translated by the JIT layer yet.
And while we're at it, also add the AVR doc file to the MAINTAINERS file.
Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Michael Rolnik <mrolnik@gmail.com>
Message-Id: <20200812155304.18016-1-huth@tuxfamily.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Han Han <hhan@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200807101736.3544506-1-hhan@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This patch adds an autoscan to let u2f-passthru choose the first U2F
device it finds.
The autoscan is performed using libudev with an enumeration of all the
hidraw devices present on the host.
The first device which happens to be a U2F device is taken to do the
passtru.
Signed-off-by: César Belley <cesar.belley@lse.epita.fr>
Message-id: 20200826114209.28821-13-cesar.belley@lse.epita.fr
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Commit 93bb3d8d4c ("virtiofsd: remove symlink fallbacks") removed
the implementation of the "norace" option, so remove it from the
cmdline help and the documentation too.
Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Message-Id: <20200717121110.50580-1-slp@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Right now we enable remote posix locks by default. That means when guest
does a posix lock it sends request to server (virtiofsd). But currently
we only support non-blocking posix lock and return -EOPNOTSUPP for
blocking version.
This means that existing applications which are doing blocking posix
locks get -EOPNOTSUPP and fail. To avoid this, people have been
running virtiosd with option "-o no_posix_lock". For new users it
is still a surprise and trial and error takes them to this option.
Given posix lock implementation is not complete in virtiofsd, disable
it by default. This means that posix locks will work with-in applications
in a guest but not across guests. Anyway we don't support sharing
filesystem among different guests yet in virtiofs so this should
not lead to any kind of surprise or regression and will make life
little easier for virtiofs users.
Reported-by: Aa Aa <jimbothom@yandex.com>
Suggested-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Misono Tomohiro <misono.tomohiro@jp.fujitsu.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Booting on s390x is a little bit different compared to other architectures.
Let's add some information for people who are not yet used to this.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200806150507.12073-1-thuth@redhat.com>
[CH: minor wording tweaks]
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Subcluster allocation in qcow2 is implemented by extending the
existing L2 table entries and adding additional information to
indicate the allocation status of each subcluster.
This patch documents the changes to the qcow2 format and how they
affect the calculation of the L2 cache size.
Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <5199f2e1c717bcaa58b48142c9062b803145ff7f.1594396418.git.berto@igalia.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
* hw/cpu/a9mpcore: Verify the machine use Cortex-A9 cores
* hw/arm/smmuv3: Implement SMMUv3.2 range-invalidation
* docs/system/arm: Document the Xilinx Versal Virt board
* target/arm: Make M-profile NOCP take precedence over UNDEF
* target/arm: Use correct FPST for VCMLA, VCADD on fp16
* target/arm: Various cleanups preparing for fp16 support
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20200824' into staging
target-arm queue:
* hw/cpu/a9mpcore: Verify the machine use Cortex-A9 cores
* hw/arm/smmuv3: Implement SMMUv3.2 range-invalidation
* docs/system/arm: Document the Xilinx Versal Virt board
* target/arm: Make M-profile NOCP take precedence over UNDEF
* target/arm: Use correct FPST for VCMLA, VCADD on fp16
* target/arm: Various cleanups preparing for fp16 support
# gpg: Signature made Mon 24 Aug 2020 10:47:14 BST
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20200824: (27 commits)
target/arm: Use correct FPST for VCMLA, VCADD on fp16
target/arm: Implement FPST_STD_F16 fpstatus
target/arm: Make A32/T32 use new fpstatus_ptr() API
target/arm: Replace A64 get_fpstatus_ptr() with generic fpstatus_ptr()
target/arm: Delete unused ARM_FEATURE_CRC
target/arm/translate.c: Delete/amend incorrect comments
target/arm: Delete unused VFP_DREG macros
target/arm: Remove ARCH macro
target/arm: Convert T32 coprocessor insns to decodetree
target/arm: Do M-profile NOCP checks early and via decodetree
target/arm: Tidy up disas_arm_insn()
target/arm: Convert A32 coprocessor insns to decodetree
target/arm: Separate decode from handling of coproc insns
target/arm: Pull handling of XScale insns out of disas_coproc_insn()
docs/system/arm: Document the Xilinx Versal Virt board
hw/arm/smmuv3: Advertise SMMUv3.2 range invalidation
hw/arm/smmuv3: Support HAD and advertise SMMUv3.1 support
hw/arm/smmuv3: Let AIDR advertise SMMUv3.0 support
hw/arm/smmuv3: Fix IIDR offset
hw/arm/smmuv3: Get prepared for range invalidation
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Document the Xilinx Versal Virt board.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20200803164749.301971-2-edgar.iglesias@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Here's my first pull request for qemu-5.2, which has quite a few
accumulated things. Highlights are:
* Preliminary support for POWER10 (Power ISA 3.1) instruction emulation
* Add documentation on the (very confusing) pseries NUMA configuration
* Fix some bugs handling edge cases with XICS, XIVE and kernel_irqchip
* Fix icount for a number of POWER registers
* Many cleanups to error handling in XIVE code
* Validate size of -prom-env data
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-5.2-20200818' into staging
ppc patch queue 2020-08-18
Here's my first pull request for qemu-5.2, which has quite a few
accumulated things. Highlights are:
* Preliminary support for POWER10 (Power ISA 3.1) instruction emulation
* Add documentation on the (very confusing) pseries NUMA configuration
* Fix some bugs handling edge cases with XICS, XIVE and kernel_irqchip
* Fix icount for a number of POWER registers
* Many cleanups to error handling in XIVE code
* Validate size of -prom-env data
# gpg: Signature made Tue 18 Aug 2020 05:18:36 BST
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-5.2-20200818: (40 commits)
spapr/xive: Use xive_source_esb_len()
nvram: Exit QEMU if NVRAM cannot contain all -prom-env data
spapr/xive: Simplify error handling of kvmppc_xive_cpu_synchronize_state()
ppc/xive: Simplify error handling in xive_tctx_realize()
spapr/xive: Simplify error handling in kvmppc_xive_connect()
ppc/xive: Fix error handling in vmstate_xive_tctx_*() callbacks
spapr/xive: Fix error handling in kvmppc_xive_post_load()
spapr/kvm: Fix error handling in kvmppc_xive_pre_save()
spapr/xive: Rework error handling of kvmppc_xive_set_source_config()
spapr/xive: Rework error handling in kvmppc_xive_get_queues()
spapr/xive: Rework error handling of kvmppc_xive_[gs]et_queue_config()
spapr/xive: Rework error handling of kvmppc_xive_cpu_[gs]et_state()
spapr/xive: Rework error handling of kvmppc_xive_mmap()
spapr/xive: Rework error handling of kvmppc_xive_source_reset()
spapr/xive: Rework error handling of kvmppc_xive_cpu_connect()
spapr: Simplify error handling in spapr_phb_realize()
spapr/xive: Convert KVM device fd checks to assert()
ppc/xive: Introduce dedicated kvm_irqchip_in_kernel() wrappers
ppc/xive: Rework setup of XiveSource::esb_mmio
target/ppc: Integrate icount to purr, vtb, and tbu40
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
For now, sphinx is run on every invocation of make. The previous mechanism
using $(wildcard) is not reproducible in Meson and was also brittle; for
example some .rst.inc files were left out. The next patch will introduce
a Sphinx extension to emit a depfile.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The binaries move to the root directory, e.g. qemu-system-i386 or
qemu-arm. This requires changes to qtests, CI, etc.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This shows how to do some "computations" in meson.build using its array
and dictionary data structures, and also a basic usage of the sourceset
module for conditional compilation.
Notice the new "if have_system" part of util/meson.build, which fixes
a bug in the old build system was buggy: util/dbus.c was built even for
non-softmmu builds, but the dependency on -lgio was lost when the linking
was done through libqemuutil.a. Because all of its users required gio
otherwise, the bug was hidden. Meson instead propagates libqemuutil's
dependencies down to its users, and shows the problem.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
